Vectors
Projectile Motion
Inclined Planes
Circular Motion
Gravity
100
Vectors have...
Magnitude and direction! 
100
Projectiles are only affected by...
Gravity
100
Weight always acts...
Towards the centre of the Earth or straight down.
100
Uniform circular motion describes the motion of an object travelling at ?? in a circle due to a force acting on the object in a direction ?? to the velocity of the object.
constant speed
perpendicular
100
The force of attraction between two objects depends on which two factors?
The objects' masses.
The distance between the objects.
200
Vectors are depicted using...
Arrows
200
Acceleration only occurs ?
vertically
200
Give two differences between weight and mass
weight - force, measured in Newtons, affected by gravity
mass - amount of matter, measured in kg, not affected by gravity
200
Centripetal force always acts
Towards the centre
200
What solar body in our solar system has the least gravity?
Pluto (or asteroids)
300
Vectors are added...
Tip to tail
300
The horizontal displacement is also called?
The range.
300
What is the definition for Normal Force?
The force acting along an imaginary line drawn perpendicular to the surface.
300
When spinning in a Gravitron, what pushes you into the wall?
Inertia
300
What is this the definition for (according to Amazon)?
'someone who creates her own health and happiness by recovering her natural healing power, making herself shine brightly like the sun'
Solar Body
400
Vectors, such as 20m/s at 30o above the horizontal, should be resolved into...
x and y componenets
400
Which of the following is/are not projectiles?
Glider
Javelin
Aeroplane
Dart
Glider and Aeroplane
400
Another term for inclined plane?
Ramp
400
Increasing the radius of circular motion has what affect on velocity?
Velocity increases
400
What is 6.67 x 10-11 Nm2/kg2?
G
or
Gravitational constant
500
A living organism that transmits an infectious agent from an infected animal to a human or another animal is called a ?
vector!
500
The motion of a projectile forms a ?
Parabola
500
Friction always acts
to oppose gravity
500
If a spinning top spins at 120rpm, what is the period?
0.5s
500
What year did the movie Gravity hit cinemas?
2013